Device for indication of a certain communication path and/or its electrical characteristics



Feb. 10, 1959 D. V. L. LINDSTRQM ET AL DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH. AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 1 -l El l INVENTORS DAG VL. LINDSTROM AXEL 6.6. CRONSTEN ATTORNEYS Feb. 10, 1959 D. v. L. LINDSTROM ET AL 2,873,321

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITs ELECTRICAL. CHARACTERISTICS Filed March 9, 1954 2O Sheets-Sheet 2 INVENTORY DAG VL. LINDSTR OM AXEL 6.6- CRONS TEN BYMW ATTORNEYJ D. V. L. LlNDSTRM ET AL 2,873,321 TION OF A CERTAIN COMMUNICATI Feb. 10, 1959 DEVICE FOR INDICA PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 19541.

20 Sheets-Sheet 3 INVENTORE' DAG V L. LINDSTROM AXEL GAG. CRONSTEN ATTORNEYJ' Feb. 10, 1959 D. v. L. LINDSTRC'JM ET AL 2,873,321 TION OF A CERTAIN COMMUNICATI D/OR ITs ELECTRICAL CHARACTERISTICS DEVICE FOR INDICA PATH AN Filed March 9, 1954 20 Sheets-Sheet 4 a a n INVENTORX DAG V. L. LINDSTROM AXEL e. s. CRON STE.N BY M22 1 ATTO R N EW Feb. 10, 1959 DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION Filed March D. V. L. LINDSTROM ET AL PATH AND/OR ITS ELECTRICAL CHARACTERISTICS 2O Sheets-Sheet 5 ATTORNEYS Feb. 10, 1959 DEVICE FOR IN Filed March 9, 1954 D V. L. LINDSTRUM ET AL DICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS 2O Sheets-Sheet 6 Feb. 10, 1959 D. v. L. LINDSTROM ET AL 2,873,321

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR (ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 7 m I L 80 l i F30 T07 J' a .I. 7 1 3 F T EW i I. Be .L 8/

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INVENTORS V.L. LINDSTROM L 6.6. CRONSTEN BYM 7/ ATTORNEY/5 Feb. 10, 1959 I D. v. L. LINDSTRGM ET AL 2,873,321 DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 8 i l FS/ 572 -II I I I I 577 I, ,1 7" 1 I l I l A F g 4 v I 'L.

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DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 9 INVENTORS DAG v.| LINDSTROM AXEL 6.6. ORONSTIIN- ATTO R N EYJ Feb. 10, 1959 D. v. L. LINDSTRGM ET AL 2,873,321

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet l0 v-ll srma sm/ 5mg] XNVENTORS DAG V.L. LINDSTROM AXEL 6.6. GRONSTEN BY WMA IW ATTO R N EYS Feb. 10, 1959 DEVICE FO PATH A Filed March 9, 1954 ND/OR ITS ELECTRICAL CHARACTERISTICS 20 Sheets-Sheet l1 lNVENTOR' DAG v.|.. LINDSTROM AXEL 6.6. CRONSTEN ATTO R N EYS Feb. 10, 1959 D. v. L. LINDSTRCDM. ET AL 2,873,321 DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 12 F9 F70 Fl/ H5 F726 F/E, E

INVENTORS DAG V.L. LINDSTROM AXEL GG. CRONSTEN Feb. 10, 1959 D. v. L. LINDSTRCM ETAL 2,873,321

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 13 2 F7 F7 F6 #74, H5; H6 F/7/ 7 2 AXEL G.G. GRONSTEN ATTORN EYJ Feb. 10, 1959 D. V. L. LINDSTRUM ET AL PATH AN Filed March 9, 1954 D/OR ITS ELECTRICAL CHARACTERISTICS 2O Sheets-Sheet 14 V5 R60 l j I fi fi 6/ 2 3 54 R65 1 F FIT-In R22 n if! n n 'l l i l fil'l H P25 I l:- i I 1 I fl'I-r R26 I I 1 my. Fi F4 F4 F/g. Hg.

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INVENTORS DAG v.1 uuosmou AXEL es. GRONSTEN BYMW *W ATTORNEYS Feb. 10, 1959 A D. v. L. LINDSTROM ET AL 2,873,321

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION w PATH AND/ORAITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 15 INVENTORfi DAG V.L. LINDSTROM AXEL G.G. CRONSTEN BYW, 7

F 1 D. v. L. LINDSTRCM ET AL 2,873,321

' DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 16 INVENTOR/S DAG V.L LINDSTROM AXEL 6.6. CRONSTON ATTORNEYS Feb. 10, 1959 D. v. L. LINDSTRC'JM ETAL 2,873,321

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 17 4 srs ,sre-

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DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS 2O Sheets-Sheet 18 R90 R I R3? P93 1934 R95 R96 R97 R98 INVENTORS. DAG VL. LINDSTRW AXEL 6.6. GRONSTEN ATTO R N EY5 'Feb. 10, 1959 D. v. L. LINDSTRW Em 2,873,

DEVICE FOR INDICATION OF A CERTAIN COMMUNICATION PATH AND/OR ITS ELECTRICAL CHARACTERISTICS Filed March 9, 1954 20 Sheets-Sheet 19 INVENTORS DAG V.L. UNDSTROM AXEL G.G. GRONSTON ATTORN EYS 2,873,321 ATION CS Feb. 10, 1959 D. v. L. LINDSTROM ETAL DEVICE FOR INDICATION OF A CERTAIN COMMUNIC PATH AND/OR ITS ELECTRICAL CHARACTERISTI Filed March 9, 1954 20 Sheets-Sheet 20 ATTORNEY5 

